YourDictionary

Doppler effect

The Doppler effect is a noticeable change in the frequency of sound, light or water waves as the source and the observer move. (noun)

An example of the Doppler effect is that the frequency of the sound increases as the source moves closer to the observer.

YourDictionary Definitions. Copyright © 2012 by LoveToKnow Corp.

See Doppler effect in Webster's New World College Dictionary

See Doppler effect in American Heritage Dictionary 4

Learn more about Doppler effect

Doppler effect

link/cite print suggestion box